Frank Gore of the San Francisco 49ers runs for a touchdown against the St. Louis Rams at the Edward Jones Dome on September 26, 2013 in St. Louis, Missouri.

Photo: Michael Thomas, Getty Images

Frank Gore of the San Francisco 49ers runs for a touchdown against...

Frank Gore of the San Francisco 49ers runs for a touchdown against... Photo-5242712.70937 - SFGate

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San Francisco 49ers wide receiver Anquan Boldin dives into the end zone to score on 20-yard touchdown reception as St. Louis Rams cornerback Cortland Finnegan defends during the second quarter of an NFL football game Thursday, Sept. 26, 2013, in St. Louis.

San Francisco 49ers running back Frank Gore, left, runs past St. Louis Rams safety Rodney McLeod on his way to a 34-yard touchdown during the second quarter of an NFL football game Thursday, Sept. 26, 2013, in St. Louis.

San Francisco 49ers running back Frank Gore, left, runs with the ball on his way to a 34-yard touchdown during the second quarter of an NFL football game against the St. Louis Rams Thursday, Sept. 26, 2013, in St. Louis.

San Francisco 49ers running back Frank Gore (21) runs with the ball for an 18-yard gain during the first quarter of an NFL football game as St. Louis Rams linebacker James Laurinaitis, right, gives chase Thursday, Sept. 26, 2013, in St. Louis.

Photo: Charlie Riedel, Associated Press

San Francisco 49ers running back Frank Gore (21) runs with the ball...

Robert Quinn #94 of the St. Louis Rams reacts to a touchdown by Frank Gore #21 of the San Francisco 49ers in the second quarter at Edward Jones Dome on September 26, 2013 in St Louis, Missouri.

Photo: Dilip Vishwanat, Getty Images

Robert Quinn #94 of the St. Louis Rams reacts to a touchdown by...

Robert Quinn #94 of the St. Louis Rams reacts to a touchdown by... Photo-5242641.70937 - SFGate

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St. Louis Rams quarterback Sam Bradford (8) throws under pressure form San Francisco 49ers linebacker Corey Lemonier (96) during the first quarter of an NFL football game Thursday, Sept. 26, 2013, in St. Louis. (AP Photo/Charlie Riedel)

Frank Gore breaks the tackle of Rodney McLeod #23 of the St. Louis Rams as he runs for a second quarter touchdown at Edward Jones Dome on September 26, 2013 in St Louis, Missouri.

Photo: Dilip Vishwanat, Getty Images

Frank Gore breaks the tackle of Rodney McLeod #23 of the St. Louis...

Frank Gore breaks the tackle of Rodney McLeod #23 of the St. Louis... Photo-5242708.70937 - SFGate

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San Francisco 49ers place kicker Phil Dawson, right, misses a 53-yard field goal attempt as Andy Lee holds during the first quarter of an NFL football game against the St. Louis Rams Thursday, Sept. 26, 2013, in St. Louis. (AP Photo/Charlie Riedel)

San Francisco 49ers wide receiver Anquan Boldin, right, is congratulated by coach Jim Harbaugh after a 20-yard touchdown reception during the second quarter of an NFL football game against the St. Louis Rams on Thursday, Sept. 26, 2013, in St. Louis. (AP Photo/Charlie Riedel)

St. Louis Rams wide receiver Austin Pettis, left, is brought down by San Francisco 49ers cornerback Tramaine Brock after catching a pass for a 9-yard gain during the first quarter of an NFL football game Thursday, Sept. 26, 2013, in St. Louis. (AP Photo/Charlie Riedel)

San Francisco 49ers wide receiver Quinton Patton (11) runs with the ball after catching a pass as St. Louis Rams linebacker Alec Ogletree (52) defends during the first quarter of an NFL football game Thursday, Sept. 26, 2013, in St. Louis. (AP Photo/Charlie Riedel)

San Francisco 49ers wide receiver Anquan Boldin is brought down by St. Louis Rams cornerback Cortland Finnegan, rear, and safety Rodney McLeod (23) after catching a pass for a 42-yard gain during the second quarter of an NFL football game Thursday, Sept. 26, 2013, in St. Louis. (AP Photo/Tom Gannam)

San Francisco 49ers quarterback Colin Kaepernick, right, hands off to running back Frank Gore during the second quarter of an NFL football game against the St. Louis Rams Thursday, Sept. 26, 2013, in St. Louis. (AP Photo/Charlie Riedel)

San Francisco 49ers quarterback Colin Kaepernick (7) pumps up his team before the start of an NFL football game between the St. Louis Rams and the San Francisco 49ers Thursday, Sept. 26, 2013, in St. Louis. (AP Photo/Charlie Riedel)

St. Louis Rams quarterback Sam Bradford, left, and San Francisco 49ers quarterback Colin Kaepernick meet for the coin toss before the start of an NFL football game Thursday, Sept. 26, 2013, in St. Louis. (AP Photo/Charlie Riedel)

San Francisco 49ers quarterback Colin Kaepernick looks to hand off during the second quarter of an NFL football game against the St. Louis Rams Thursday, Sept. 26, 2013, in St. Louis. (AP Photo/Charlie Riedel)

San Francisco 49ers running back Frank Gore, left, runs past St. Louis Rams safety Rodney McLeod on his way to a 34-yard touchdown run during the second quarter of an NFL football game Thursday, Sept. 26, 2013, in St. Louis. (AP Photo/Tom Gannam)

San Francisco 49ers running back Anthony Dixon raises his hands on the sideline during the second quarter of an NFL football game against the St. Louis Rams Thursday, Sept. 26, 2013, in St. Louis. (AP Photo/Charlie Riedel)

St. Louis Rams safety T.J. McDonald, right, cannot reach San Francisco 49ers quarterback Colin Kaepernick during the third quarter of an NFL football game Thursday, Sept. 26, 2013, in St. Louis. (AP Photo/Charlie Riedel)

San Francisco 49ers running back Anthony Dixon, left, is congratulated by teammates after scoring on a 1-yard run during the fourth quarter of an NFL football game against the St. Louis Rams Thursday, Sept. 26, 2013, in St. Louis.